The Filters We Need With Digital...

Started Oct 5, 2008 | Discussions thread
OP Joseph S Wisniewski Forum Pro • Posts: 34,130
For color blind people...

tak44 wrote:

Thanks for taking the time and trouble to make this very interesting
and informative post - which I have printed out for reference.

As one of the R/G colour-blind minority (and therefore with greatly
enhanced metamerism) I wonder if the Neodymium filters would make my
colour photos more interesting (to me at least) by making colour
differences that I cannot otherwise detect become visible? Perhaps
analagous to the effects of red/green/yellow filters in B/W

I imagine it would work exactly that way. Do you know if you've got the red deficient or green deficient variety? If it's red deficient, you're already "shelving" off the low end, and I don't think any filter will help. If green deficient, I can see the neodymium filter helping.

Have you ever simply tried swapping the red and green channels of a picture in Photoshop? I know a r/g color blind individual who does this, and he also sometimes puts both the swapped and original image in an animated GIF. The end result is adding a third factor to perception, some colors "shimmy", some don't.

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Rahon Klavanian 1912-2008.

Armenian genocide survivor, amazing cook, scrabble master, and loving grandmother. You will be missed.

Ciao! Joseph

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